Foil backed plasterboard, also called foil lined plasterboard or foilback plasterboard, is a 2-in-1 solution that combines insulation and finishing in a single application.
What is foiled plasterboard?
Foiled plasterboard is a standard gypsum board with a thin aluminium foil layer on the reverse side. This reflective layer acts as a built-in vapour barrier, helping to prevent condensation in walls and ceilings. It is ideal for projects such as garages, loft conversions, and bathrooms where thermal performance and moisture control are as important as a smooth, professional finish.
What is foiled plasterboard used for?
Builders across domestic and commercial settings use foil backed plasterboard to enhance insulation and protect against damp. Common ways to use it include:
Lining external walls to reduce heat loss, and where a vapour barrier is required to meet UK Building Regulations Part C and L
Installing behind radiators or on cold walls.
Ceilings or roof spaces where condensation is likely.
Garages, loft conversions, and utility areas.
Partition walls in high-humidity environments.
Types of foil plasterboard
There are several types of foil plasterboard:
Standard Foil Backed Plasterboard: Great for general drylining where basic vapour control is needed. Ideal for living rooms, bedrooms, and hallways.
Thermal Laminate Boards: Combine foil lined plasterboard with rigid foam insulation for maximum energy efficiency.
Each type offers reliable thermal reflection and easy installation. Simply choose the grade that matches your project’s moisture and insulation requirements.
Benefits of foil backed plasterboard
Using foil backed plasterboard brings a range of long-term advantages for trade professionals and homeowners:
Reflects radiant heat to improve thermal performance.
Built-in vapour barrier controls condensation.
Helps maintain consistent indoor temperatures.
Reduces the risk of damp or mould formation.
Lightweight, easy to cut and install.
Compatible with most insulation and wall systems, including cavity wall and drylining systems.
Delivers a professional, smooth surface ready for decoration.
Why choose our foilback plasterboard?
When you buy foil backed plasterboard from us, you invest in dependable performance and trusted quality. Here’s what sets our range apart:
Premium foil lined plasterboard from leading UK brands such as Knauf and Gypfor.
Boards tested for strength, moisture resistance, and durability.
Available in multiple sizes and thicknesses for every application.
Competitive pricing for both trade and DIY customers.
Expert advice to help you choose the right type for your project.
Fast UK-wide delivery.
Get your walls wrapped and ready for winter. Buy our foil backed plasterboard today and experience the perfect blend of insulation, moisture protection, and high-finish quality.
At Insulation Wholesale, you can purchase Foil Backed Plasterboard at low wholesale prices with fast delivery for most of items within 2-5 days. Competitive rates guaranteed.
FAQ
Where to use foil backed plasterboard?
Use foil backed plasterboard on external walls, ceilings, and cold surfaces where condensation or heat loss could occur. It is particularly useful behind radiators, loft conversions, or anywhere thermal performance needs a boost.
How to fix foil backed plasterboard to brick wall?
One simple way is to:
Step 1: Fix the plasterboard to treated timber battens or metal framing.
Step 2: Face the foil side towards the cavity for effective vapour control.
Step 3: Leave a small air gap between the foil layer and the wall.
Step 4: Secure with appropriate drywall screws.
Step 5: Finish with joint tape and plaster.
What is foil backed plasterboard used for?
Foil plasterboard improves insulation and prevents condensation in walls, ceilings, and partitions. It is ideal for both domestic and commercial interiors.
Why use foil backed plasterboard?
Because it combines three key benefits in one board: insulation, vapour control, and a smooth finish. It keeps interiors warm, reduces condensation risk, and delivers a high-quality finish ready for decorating or skimming. It is an energy-efficient, regulation-compliant choice for modern UK construction.
12.5mm Knauf Vapour Panel Plasterboard has a metallised polyester foil laminated on the grey paper face, making this laminated Knauf plasterboard resistant to vapour.
15mm Knauf Vapour Panel Plasterboard has a metallised polyester foil laminated on the grey paper face, making this laminated Knauf plasterboard resistant to vapour.
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